#4E78D0#4E78D0

#4E78D0 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.143 H 263.4°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4E78D0
RGB	rgb(78, 120, 208)
HSL	hsl(221, 58%, 56%)
HSV	hsv(221, 63%, 82%)
CMYK	cmyk(62.5%, 42.3%, 0%, 18.4%)
CIE-LAB	lab(51.39, 12.95, -49.88)
CIE-LCH	lch(51.39, 51.53, 284.56°)
OKLab	oklab(58.52% -0.0164 -0.1421)
OKLCH	oklch(58.52% 0.143 263.4)
XYZ	xyz(21.2396, 19.6048, 62.3271)
Luminance	0.1961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78D0 #D0A64E

analogous

#4EB9D0 #4E78D0 #654ED0

triadic

#4E78D0 #D04E78 #78D04E

tetradic

#4E78D0 #D04EB9 #D0A64E #4ED065

square

#4E78D0 #D04EB9 #D0A64E #4ED065

split-complementary

#4E78D0 #D0654E #B9D04E

monochromatic

#224181 #2F59B2 #4E78D0 #7E9DDD #AFC2EA

Accessibility & contrast

On white

4.27

#4E78D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#4E78D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78D0

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78D0	#FFFFFF	#000000	##000000
##4E78D0	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5081D3

Deuteranopia (green-blind)

#3C75CE

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4e78d0;
/* rgb */ color: rgb(78, 120, 208);
/* oklch */ color: oklch(58.5% 0.143 263.4);

Tailwind

colors: {
  custom: {
    50: '#8b9edf',
    500: '#4e78d0',
    950: '#000000',
  },
}

SCSS

$custom: #4e78d0;
$custom-light: #8b9edf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78d0",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 208
  },
  "hsl": {
    "h": 220.615,
    "s": 58.036,
    "l": 56.078
  },
  "oklch": {
    "l": 0.58521,
    "c": 0.1431,
    "h": 263.4
  },
  "luminance": 0.19607
}

Semantic roles & 50–950 ramp

primary

#4E78D0

secondary

#D8C6A2

accent

#AF47E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78D0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →